User manual

Returnstar Interactive Technology Group Co., Ltd.
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You can also select Arc, Solid Sector or Hollow Sector from right-click menu, and then use
Freehand Drawing Tools or Line tool to draw the selected shape along protractor scales.
Right Triangle: Two Right Triangle tools are provided, Isosceles Right Triangle and 30° Right
Triangle. To add a Right Triangle on page, please move the cursor onto the page, determine
the position of the right triangle and click, then the right triangle will be displayed on the page.
Isosceles Right Triangle 30° Right Triangle
You can use Freehand Drawing Tools and Line tool to draw a straight line along the scales of
the right triangle. When you rotate the right triangle, the current rotation angle will be
displayed in the center of the right triangle.
3.7.3 Screen Capture
To get Screen Capture function, you can click “Tools” on Menu Bar, or click on Assistant
Tools toolbar, or click on Floating Tools toolbar.